C. The lungs can better exchange oxygen
as insects became exposed to pyrethroids, toxicity of pyrethroids weakened over time. which means that Most insects had the allele for pyrethroid resistance, but it remained masked. The allele for said pyrethroid resistance, evidently increased throughout the population.
has this helped?
Some don't have any able to see effects,but some cause diseases
Answer:
Glucose circulates in the blood of animals as blood sugar. It is made during photosynthesis from water and carbon dioxide, using energy from sunlight. It is the most important source of energy for cellular respiration.
Explanation:
Glucose is formed in blood cells.
Answer:
let the three parts be
5x + 3x + 4x = 250
so on adding
12x = 250
x = 20
so it will be divided into three parts as
5 × 20 = 100
3×20= 60
4×20 = 80
Explanation: